Between 2003 and 2008, China's forest coverage registered a net increase of 20.54 million hectares and forest stock volume rose by 1.123 billion cubic meters.
2003至2008年,森林面积净增2054万公顷,森林蓄积量净增11.23亿立方米。
Based on the comprehensiveness of forest coverage rate, total standing forest stock, average forest volume, a new indicator called 'Forest Thickness'(FT) is put forward in this paper.
本文在综合森林覆盖率、活立木蓄积量、单位面积森林蓄积量等传统林业评价指标的基础上,研究提出了一项新的指标——森林厚度。
It also shows low unit stock volume, unreasonable forest age structure, low forestland use ratio and severe pest, disease and rat disaster.
该流域森林资源有限且分布不均;单位蓄积量低,林龄结构不合理;林地利用率不高,病虫鼠害严重。
The standing tree volume, stand stocking of riparian forest stand, number, average volume and total stock of in-stream LWD at streams in Liangshui were greater than that of Maoershan.
凉水溪流河岸带森林立木材积、林分蓄积及溪流倒木数量、平均倒木体积和总倒木蓄积量均高于帽儿山溪流。
Stock volume which is an important factor in forest resources investigation can't be obtained directly by remote sensing image.
蓄积量调查是一个不可见的被估测因子,无法直接利用高空间分辨率卫星影像。
Stock volume which is an important factor in forest resources investigation can't be obtained directly by remote sensing image.
蓄积量调查是一个不可见的被估测因子,无法直接利用高空间分辨率卫星影像。
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